WO2017017991A1 - Poche de fluide, procédé de fabrication de poche de fluide et brassard pour mesurer la pression sanguine - Google Patents

Poche de fluide, procédé de fabrication de poche de fluide et brassard pour mesurer la pression sanguine Download PDF

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Publication number
WO2017017991A1
WO2017017991A1 PCT/JP2016/058825 JP2016058825W WO2017017991A1 WO 2017017991 A1 WO2017017991 A1 WO 2017017991A1 JP 2016058825 W JP2016058825 W JP 2016058825W WO 2017017991 A1 WO2017017991 A1 WO 2017017991A1
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WIPO (PCT)
Prior art keywords
side wall
fluid bag
pair
sheet portion
portions
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Application number
PCT/JP2016/058825
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English (en)
Japanese (ja)
Inventor
龍介 土井
義秀 東狐
隆 鳥濱
悠真 足立
Original Assignee
オムロンヘルスケア株式会社
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Application filed by オムロンヘルスケア株式会社 filed Critical オムロンヘルスケア株式会社
Publication of WO2017017991A1 publication Critical patent/WO2017017991A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers

Definitions

  • the present invention relates to a fluid bag, and more particularly, to a fluid bag contained in a blood pressure measurement cuff and compresses a measurement site.
  • the subject of the present invention also relates to a fluid bag manufacturing method for manufacturing such a fluid bag.
  • the present invention also relates to a blood pressure measurement cuff that encloses such a fluid bag and compresses a measurement site.
  • blood pressure measurement cuffs are widely known, for example, as disclosed in Patent Document 1 (Japanese Patent No. 3179925), with an air nozzle attached so as to protrude outward from a cuff belt. .
  • a tube connected to the sphygmomanometer body is fitted to the air nozzle.
  • a cuff is worn around a measurement site such as the upper arm or wrist. Then, air is supplied from the sphygmomanometer body to the cuff belt through the tube and the air nozzle, and the measurement site is compressed.
  • the air nozzle when the air nozzle (nipple) is attached to the cuff belt (enclosed fluid bag) in the manufacturing stage, the air nozzle may be displaced relative to the cuff belt.
  • the problem of misalignment (position variation) at the manufacturing stage becomes serious because it becomes difficult to ignore the cuff width direction (the direction in which the dimension is short), for example, when the cuff is to be miniaturized.
  • an object of the present invention is to provide a fluid bag enclosed in a blood pressure measurement cuff that does not cause a positional shift in the nipple manufacturing stage.
  • Another object of the present invention is to provide a fluid bag manufacturing method for manufacturing such a fluid bag.
  • Another object of the present invention is to provide a blood pressure measurement cuff containing such a fluid bag.
  • the fluid bag of the present invention is: A fluid bag contained in a blood pressure measurement cuff, A first sheet portion disposed on the side closer to the measurement site; A second sheet portion facing the first sheet portion and disposed on the side far from the measurement site; A first pair of side wall portions that connect and close corresponding edges on both sides with respect to the width direction along the artery passing through the measurement site of the first and second sheet portions; A second pair of side wall portions that connect and close the corresponding edge portions on both sides in the longitudinal direction perpendicular to the width direction of the first and second sheet portions, A nipple for introducing a fluid into the fluid bag or discharging a fluid from the fluid bag with respect to the second sheet portion protrudes outward, and is uniformly and continuously made of a common material. It is characterized by being integrated.
  • sheet portion means a sheet-like portion.
  • the fact that the nipple “projects outward” in the second sheet portion means that the nipple projects from the second sheet portion to the side opposite to the first sheet portion.
  • “being integrated uniformly and continuously with a common material” means, for example, a case where a plurality of parts are integrally formed by injection molding.
  • a welding location or a bonding location becomes non-homogeneous or discontinuous with respect to other locations when a plurality of portions are integrated by welding or bonding, it is not included.
  • the fluid bag of the present invention is formed into a bag shape by the first sheet portion, the second sheet portion, the first pair of side wall portions, and the second pair of side wall portions.
  • a nipple for introducing a fluid typically air, the same applies hereinafter
  • a fluid typically air, the same applies hereinafter
  • discharging the fluid from the fluid bag protrudes outward from the second sheet portion. In this manner, they are uniformly and continuously integrated with a common material. In this configuration, since the nipple is not attached to the second sheet portion, the nipple is not displaced from the second sheet portion (and therefore the fluid bag) in the manufacturing stage.
  • Each of the first pair of side wall portions is formed from a film that is uniformly and continuously integrated with a common material with respect to the corresponding edge portions on both sides of the first and second sheet portions in the width direction.
  • the second pair of side wall portions are formed by welding or bonding corresponding edge portions on both sides in the longitudinal direction of the first and second sheet portions, respectively.
  • the first pair of side wall portions are formed by welding or bonding the corresponding edge portions on both sides with respect to the width direction of the first and second sheet portions, the first and second sheet portions. There is a possibility that the position of welding or bonding will be displaced.
  • the first pair of side wall portions are common to the corresponding edge portions on both sides in the width direction of the first and second sheet portions, respectively. It consists of a film that is uniformly and continuously integrated with the above materials. In this configuration, the first pair of side wall portions are not displaced with respect to the first and second sheet portions in the manufacturing stage. As a result, the dimensional accuracy of the fluid bag in the width direction is increased. Therefore, the cuff design is further facilitated.
  • Each of the first pair of side wall portions is formed from a film that is uniformly and continuously integrated with a common material with respect to the corresponding edge portions on both sides of the first and second sheet portions in the width direction.
  • One side wall portion of the second pair of side wall portions is uniformly and continuously integrated with a common material with respect to the corresponding edge portion with respect to the longitudinal direction of the first and second sheet portions.
  • the other side wall portion of the second pair of side wall portions is formed by welding or bonding the corresponding edge portions in the longitudinal direction of the first and second sheet portions.
  • the first pair of side wall portions are uniformly made of a common material with respect to corresponding edges on both sides in the width direction of the first and second sheet portions, respectively. It consists of a continuously integrated membrane. Therefore, as described above, the first pair of side wall portions is not displaced with respect to the first and second sheet portions in the manufacturing stage. As a result, the dimensional accuracy of the fluid bag in the width direction is increased. Moreover, in the fluid bag of this embodiment, one of the second pair of side wall portions is common to the corresponding edge portion in the longitudinal direction of the first and second sheet portions. It consists of a membrane that is homogeneously and continuously integrated with the material.
  • the one side wall portion of the second pair of side wall portions is not displaced in the manufacturing stage with respect to the first and second sheet portions.
  • the dimensional accuracy in the longitudinal direction of the fluid bag is increased. Therefore, the cuff design is further facilitated.
  • the thickness of the film forming each of the first pair of side wall portions is thinner than the thickness of the second sheet portion.
  • the thickness of the film forming each of the first pair of side wall portions is thinner than the thickness of the second sheet portion. Therefore, when air is supplied to the fluid bag through the nipple and is pressurized, the first pair of side wall portions are easily expanded, and as a result, the fluid bag is perpendicular to the first and second sheet portions. The stroke in which the fluid bag expands in the thickness direction increases. Therefore, the cuff that encloses the fluid bag easily presses the measurement site.
  • the thickness of the first sheet portion is thinner than the thickness of the second sheet portion.
  • the thickness of the first sheet portion is thinner than the thickness of the second sheet portion. Therefore, when air is supplied to the fluid bag through the nipple and is pressurized, the first sheet portion is easily expanded, and as a result, the thickness perpendicular to the first and second sheet portions is increased. The stroke in which the fluid bag expands in the vertical direction is further increased. Therefore, the cuff containing the fluid bag is more likely to press the measurement site.
  • the thickness of the first sheet portion is the same as the thickness of the second sheet portion, the thickness of the first sheet portion is smaller than that of the second sheet portion. And there exists an advantage that the said 1st sheet
  • seat part is hard to tear.
  • the films forming the first pair of side wall portions are in a bellows shape in a cross-sectional view along the longitudinal direction in a natural state.
  • natural state refers to a state in which no external force is applied.
  • the membranes forming the first pair of side wall portions are in a bellows shape in a cross-sectional view along the longitudinal direction in the natural state. Therefore, when a fluid is supplied to the fluid bag through the nipple and pressurized, the bellows-like film on the first pair of side wall portions has a thickness perpendicular to the first and second sheet portions. It is easy to extend in the direction, and as a result, the stroke in which the fluid bag expands in the thickness direction is increased. Therefore, the cuff that encloses the fluid bag easily presses the measurement site.
  • the first sheet portion and the second sheet portion are in close contact with the inner surface of the second sheet portion over substantially the entire area in the width direction and the longitudinal direction.
  • a plurality of protrusions that interfere with the above are distributed and arranged.
  • the “inner surface” of the second sheet portion means a surface facing the first sheet portion.
  • substantially the entire region is sufficient if it is disposed substantially over the entire region, for example, it is not necessary that the protrusion is disposed even in a region very close to the edge in the width direction or the longitudinal direction. It is.
  • the first sheet portion and the second sheet portion are in close contact with the inner surface of the second sheet portion over substantially the entire area in the width direction and the longitudinal direction. A plurality of protrusions that prevent this are distributed. Therefore, when the fluid is supplied to the fluid bag through the nipple, the fluid can be ensured to flow over substantially the entire area of the fluid bag. Therefore, the cuff that encloses the fluid bag easily presses the measurement site.
  • the fluid bag of one embodiment is characterized in that the dimension in the width direction is 40 mm or less in a natural state.
  • the dimension in the width direction is 40 mm or less in a natural state. Therefore, the cuff that encloses the fluid bag can be configured to be smaller than a cuff that is generally widespread (the size in the width direction of the encapsulated air bag is 45 mm or more).
  • a small cuff is integrated with the sphygmomanometer body to form a wearable sphygmomanometer (a sphygmomanometer that remains attached to the measurement site even when actually measuring blood pressure). Suitable for.
  • the fluid bag manufacturing method of the present invention is a fluid bag manufacturing method for manufacturing the fluid bag, An outer mold having a cavity surface corresponding to an outer surface of the first sheet portion, an outer surface of the second sheet portion including the nipple, and an outer surface of the first pair of side wall portions; A core surface corresponding to the inner surface of the first sheet portion, the inner surface of the second sheet portion, and the inner surfaces of the first pair of side wall portions from both sides in the direction corresponding to the longitudinal direction, respectively. 1.
  • the aforementioned fluid bag can be easily manufactured with high dimensional accuracy.
  • the fluid bag manufacturing method of the present invention is a fluid bag manufacturing method for manufacturing the fluid bag,
  • the outer surface of the first sheet portion, the outer surface of the second sheet portion including the nipple, the outer surface of the first pair of side wall portions, and the outer surface of one side wall portion of the second pair of side wall portions To the outer mold having a cavity surface corresponding to From one side in a direction corresponding to the longitudinal direction, an inner surface of the first sheet portion, an inner surface of the second sheet portion, an inner surface of the first pair of side wall portions, and an inner surface of the second pair of side wall portions.
  • Resin is injected into the cavity between the cavity surface and the core surface, the first sheet portion, the second sheet portion including the nipple, the first pair of side wall portions, and the first pair.
  • An intermediate body having the one side wall portion of the two pairs of side wall portions is integrally formed, After the intermediate body is removed from the outer mold and the inner mold, the open edges of the first and second sheet portions are welded or bonded together, and the other side wall of the second pair of side walls is formed.
  • the above-mentioned fluid bag is obtained by forming a portion.
  • the aforementioned fluid bag can be easily manufactured with high dimensional accuracy.
  • the blood pressure measurement cuff of the present invention is:
  • the fluid bag is included between the inner cloth disposed on the side closer to the measurement site and the outer cloth disposed on the side far from the measurement site, The nipple protrudes through the outer cloth.
  • the nipple does not shift in the manufacturing stage with respect to the second sheet portion of the fluid bag.
  • the blood pressure measurement cuff containing the fluid bag is to be reduced in size, it is not necessary to consider the positional deviation at the manufacturing stage of the nipple, and the cuff design is facilitated.
  • the blood pressure measurement cuff When measuring blood pressure, the blood pressure measurement cuff is mounted around the measurement site such as the upper arm or wrist. Then, for example, the fluid is introduced into the fluid bag and pressurized through the pipe fitted to the nipple from the blood pressure monitor body, or the fluid is discharged from the fluid bag and decompressed. Thereby, blood pressure measurement is performed.
  • such a fluid bag can be manufactured.
  • the blood pressure measurement cuff of the present invention includes such a fluid bag, cuff design is facilitated.
  • FIG. 1 It is a perspective view which shows the external appearance of the blood pressure meter which has the cuff for blood pressure measurement of one Embodiment of this invention. It is a perspective view which shows a state when the said blood pressure meter is mounted
  • FIG. 7A is a perspective view showing the appearance of an air bag as a fluid bag enclosed in the cuff.
  • FIG. 7B is a diagram showing a cross section when the air bag is cut along the longitudinal direction.
  • FIG. 7C is a view showing a cross section when the air bag is cut along the width direction.
  • FIG. 7D is an enlarged view showing a part of FIG. 7C in detail.
  • FIG. 8A is a perspective view showing an intermediate body integrally formed when the air bag of FIG. 7A is manufactured.
  • FIG. 8B is a view for explaining a welding process for obtaining the air bag of FIG. 7A from the intermediate. It is a figure explaining the injection molding process of obtaining the intermediate body of FIG.
  • FIG. 8A is a perspective view showing the appearance of an air bag as a fluid bag enclosed in the cuff.
  • FIG. 7B is a diagram showing a cross section when the air bag is cut along the longitudinal direction.
  • FIG. 7C is a view showing a cross section
  • FIG. 10A is a perspective view showing an appearance of a modified air bag obtained by modifying the air bag of FIG. 7A.
  • FIG. 10B is a diagram showing a cross section when the air bag is cut along the longitudinal direction.
  • FIG. 10C is a view showing a cross section when the air bag is cut along the width direction.
  • FIG. 11A is a perspective view showing an intermediate body integrally formed when the air bag of FIG. 10A is manufactured.
  • FIG. 11 (B) is a diagram illustrating a welding process for obtaining the air bag of FIG. 10 (A) from the intermediate. It is a figure explaining the injection molding process of obtaining the intermediate body of FIG.
  • FIG. 13A is a perspective view showing an appearance of an air bag of still another modified example.
  • FIG. 13B is a view showing a cross section when the air bag is cut along the longitudinal direction.
  • FIG. 13C is a view showing a cross section when the air bag is cut along the width direction.
  • 14 (A) to 14 (C) are diagrams illustrating a manufacturing process for manufacturing the air bag of FIG. 13 (A). It is a perspective view which shows the inner surface of the 2nd sheet
  • FIG. 1 shows the appearance of a sphygmomanometer (the whole is denoted by reference numeral 1) according to an embodiment of the present invention.
  • the blood pressure monitor 1 is roughly divided into a blood pressure measurement cuff 20 that is wound around a wrist 90 (see FIG. 5) as a measurement site, and a body that is integrally attached to the cuff 20 and incorporates elements for blood pressure measurement. 10.
  • FIG. 5 schematically shows a planar layout when the sphygmomanometer 1 is viewed from the side where the main body 10 is provided (corresponding to the outer peripheral side in FIG. 1) with the cuff 20 deployed.
  • 6 schematically shows a planar layout when the sphygmomanometer 1 is viewed from the side opposite to FIG. 5 (corresponding to the inner peripheral side in FIG. 1) with the cuff 20 deployed.
  • the cuff 20 is formed as a bag-like band 11 by sewing the outer cloth 20A and the inner cloth 20B along their peripheral edges.
  • the inner cloth 20B is set to be highly stretchable and the outer cloth 20A is set to be substantially non-stretchable (or less stretchable than the inner cloth 20B) so that the measurement site can be easily pressed.
  • the cuff 20 extends along the longitudinal direction of the cuff 20 (corresponding to the circumferential direction in FIG. 1), to the second portion 20C along the main body 10 and from the second portion 20C to one side (right side in FIG. 5).
  • the first portion 20E extends and the third portion 20F extends from the second portion 20C to the other side (left side in FIG. 5).
  • the dimension of the cuff 20 in the longitudinal direction is set to about 400 mm
  • the third portion 20F is curved convexly downward in FIGS.
  • the direction of this curve is such that the cuff 20 is such that the elbow side (thick side) 90e of the wrist 90 comes down and the hand side (thin side) 90f of the wrist 90 comes up in FIGS. It is assumed that the wrist 90 is mounted around.
  • a ring 80 having a substantially oval shape is attached to the outer peripheral surface of the first portion 20E.
  • the longitudinal direction of the ring 80 intersects the longitudinal direction of the cuff 20.
  • the dimension of the ring 80 in the longitudinal direction is set to be slightly larger than the dimension W in the width direction of the cuff 20 so that the cuff 20 (particularly the third portion 20F) can be easily passed.
  • the planar fastener 70 is attached to the surface of the third portion 20F of the cuff 20 that is closest to the main body 10.
  • the planar fastener 70 has a number of fine hooks (not shown) on its surface.
  • the outer peripheral surface of the third portion 20F other than the nearest portion (planar fastener 70) has a number of fine loops (not shown) that engage with the hook.
  • the cuff 20 includes an air bag 22 as a fluid bag for pressing the wrist 90 across the first portion 20E to the third portion 20F.
  • FIG. 7A shows the appearance of the air bag 22 viewed from an oblique direction.
  • 7B and 7C show cross sections when the air bag 22 is cut along the longitudinal direction (Y direction) and the width direction (X direction), respectively.
  • an orthogonal coordinate system XYZ is also shown in FIG. 7A (described later in FIG. 8A, FIG. 10A, FIG. 11A, FIG. A) and the same in FIG.
  • the width direction (X direction) of the air bag 22 corresponds to the width direction of the cuff 20, that is, the direction along the artery passing through the wrist 90.
  • the longitudinal direction (Y direction) and the thickness direction (Z direction) of the air bag 22 correspond to the longitudinal direction and the thickness direction of the cuff 20, respectively.
  • the air bag 22 is opposed to the first sheet portion 41 disposed on the side close to the wrist 90 (corresponding to the inner peripheral side in FIG. 1) as the measurement site, and the first sheet portion 41, and the wrist 22
  • the second sheet portion 42 disposed on the side far from 90 (corresponding to the outer peripheral side in FIG. 1), the first pair of side wall portions 43A, 43B on both sides with respect to the width direction X, and the second side portions on both sides with respect to the longitudinal direction Y.
  • a pair of side wall portions 44A and 44B is provided.
  • the material of the first and second sheet portions 41, 42, the first pair of side wall portions 43A, 43B, and the second pair of side wall portions 44A, 44B is polyurethane resin in this example.
  • one side wall 43A of the first pair of side walls 43A and 43B has an edge 41c corresponding to the width direction X of the first and second sheet portions 41 and 42.
  • 42c is formed of a film having a substantially semicircular cross section that is integrally formed (that is, a common material and is uniformly and continuously integrated. The same applies hereinafter).
  • the other side wall portion 43B is integrally formed with the corresponding edge portions 41d and 42d with respect to the width direction X of the first and second sheet portions 41 and 42. It consists of a substantially semicircular film in cross section. The end portions on both sides of the air bag 22 in the width direction X are closed by the first pair of side wall portions 43A and 43B.
  • one of the side walls 44A of the second pair of side walls 44A and 44B is related to the longitudinal direction Y of the first and second sheet portions 41 and 42.
  • Corresponding edge portions 41e, 42e are formed by welding (or bonding) to each other (welded portions extending along the width direction X are indicated by reference numeral 44m).
  • the other side wall portion 44B welds (or bonds) the corresponding edge portions 41f and 42f with respect to the longitudinal direction Y of the first and second sheet portions 41 and 42. ) (Welded portions extending along the width direction X are indicated by reference numeral 44n).
  • the ends on both sides with respect to the longitudinal direction Y of the air bag 22 are closed by the second pair of side wall portions 44A and 44B.
  • the air bag 22 is formed into a flat bag shape by the first sheet portion 41, the second sheet portion 42, the first pair of side wall portions 43A and 43B, and the second pair of side wall portions 44A and 44B. It is configured.
  • a cylindrical nipple 45 for introducing air as a fluid into the air bag 22 or discharging air from the air bag 22 is integrally formed in the second sheet portion 42 in a manner protruding outward.
  • the nipple 45 is not displaced with respect to the second sheet portion 42 (and therefore the air bag 22) in the manufacturing stage.
  • the first pair of side wall portions 43A and 43B are respectively provided with the corresponding edge portions 41c and 42c, the edge portion 41d, and the edge portion 41d on both sides with respect to the width direction X of the first and second sheet portions 41 and 42, respectively. It consists of a film formed integrally with 42d.
  • the first pair of side wall portions 43A and 43B are not misaligned with respect to the first and second sheet portions 41 and 42 in the manufacturing stage. As a result, the dimensional accuracy of the air bag 22 in the width direction X increases. Therefore, the cuff design is further facilitated.
  • the thickness t3 of the film forming the first pair of side wall portions 43A and 43B (shown only for one side wall portion 43A in FIG. 7D) is larger than the thickness t2 of the second sheet portion 42. It is set thinly.
  • the air bag 22 is manufactured as follows, for example. First, as shown in FIG. 8 (A), an intermediate 22 ′ having a first sheet portion 41, a second sheet portion 42 including a nipple 45, and a first pair of side wall portions 43A and 43B, One-piece molding. The ends on both sides in the longitudinal direction Y of the intermediate body 22 'are still open.
  • an outer mold 60 including an upper mold 61 and a lower mold 62 and first and second inner molds 63A and 63B are prepared for injection molding in this example. To do.
  • the lower mold 62 has a cavity surface 62o corresponding to the outer surface of the first sheet portion 41 and the lower half of the outer surfaces of the first pair of side wall portions 43A and 43B.
  • the upper mold 61 has a cavity surface 61o corresponding to the outer surface of the second sheet portion 42 including the nipple 45 and the upper half of the outer surfaces of the first pair of side wall portions 43A and 43B.
  • the upper mold 61 and the lower mold 62 are divided by dividing surfaces 61s and 62s. At the time of injection, the upper mold 61 and the lower mold 62 are pressed against each other, and the cavity surfaces 61o and 62o form a spatially continuous integral cavity.
  • a gate 61g that communicates from the outside of the upper die 61 to a portion corresponding to the nipple 45 is provided.
  • the first inner mold 63A has an annular core surface 63a corresponding to the inner surface of the first sheet portion 41, the inner surface of the second sheet portion 42, and the inner surfaces of the first pair of side wall portions 43A and 43B.
  • the second inner mold 63B has an annular core surface corresponding to the inner surface of the first sheet portion 41, the inner surface of the second sheet portion 42, and the inner surfaces of the first pair of side wall portions 43A and 43B. 63b.
  • a protrusion 63p is formed at the tip of the first inner mold 63A, while a recess 64q corresponding to the protrusion 63p is formed in the second inner mold 63B.
  • the first inner mold 63A is indicated by an arrow E from one side (left side in FIG. 9) in the direction corresponding to the longitudinal direction Y of the intermediate body 22 ′ (shown virtually by a two-dot chain line in FIG. 9). So that it is inserted into the cavity.
  • the second inner mold 63B is inserted into the cavity as indicated by an arrow F from the opposite side (right side in FIG. 9) in the direction corresponding to the longitudinal direction Y of the intermediate body 22 ′.
  • the first inner mold 63A and the second inner mold 63B are pressed against each other so that the protrusion 63p is fitted in the recess 64q, and the core surfaces 63a and 63b form a spatially continuous integral core surface.
  • the upper mold 61 and the lower mold 62 are respectively formed with recesses 61q1 and 62q1 extending outward from one side (left side in FIG. 9) of the cavity surfaces 61o and 62o, and opposite to the cavity surfaces 61o and 62o (FIG. 9).
  • Recesses 61q2 and 62q2 extending from the right side to the outside are formed.
  • the recesses 61q1 and 62q1 are fitted and pressed around the core surface 63a
  • the recesses 61q2 and 62q2 are fitted and pressed around the core surface 63b.
  • a closed cavity having a shape corresponding to the intermediate body 22 ' is formed between the cavity surfaces 61o and 62o and the core surfaces 63a and 63b.
  • the temperatures of the upper mold 61, the lower mold 62, and the first and second inner molds 63A and 63B are maintained at about 200 ° C.
  • polyurethane resin is injected through the gate 61g into the cavity at a pressure of 80 kgf / cm 2 .
  • an integrally formed intermediate body 22 ' is obtained.
  • the intermediate body 22 ′ is removed from the upper mold 61, the lower mold 62, and the first and second inner molds 63A and 63B. Thereafter, as shown in FIG. 8B, the corresponding edge portions 41e and 42e on both sides in the longitudinal direction Y of the first and second sheet portions 41 and 42, and the edge portions 41f and 42f are welded to each other ( Or a second pair of side wall portions 44A and 44B. Thereby, the air bag 22 is obtained.
  • the air bag 22 (intermediate body 22 ') is made of polyurethane resin, but the material is not limited to this.
  • the material of the air bag 22 should just be a strong material which has elasticity (especially elasticity and flexibility), for example, may be a silicone resin.
  • the temperature of the upper mold 61, the lower mold 62, and the first and second inner molds 63A and 63B is maintained at about 170 ° C. when the intermediate 22 ′ is injection molded.
  • silicone resin is injected into the cavity through the gate 61g at a pressure of 80 kgf / cm 2 .
  • the air bag 22 is enclosed in the cuff 20 in such a manner that the nipple 45 integrally formed with the first sheet portion 41 protrudes through the outer cloth 20A.
  • connection means not shown
  • connection means engagement protrusions, recesses in which the engagement protrusions engage, adhesive, etc.
  • FIG. 3 shows a schematic block configuration of the cuff 20 and the main body 10 of the sphygmomanometer 1.
  • the sphygmomanometer 1 includes a CPU (Central Processing Unit) 100 as a control unit, a display 50, a memory 51 as a storage unit, an operation unit 52, a power supply unit 53, a pump 32, a valve 33, which are mounted on the main body 10. And a pressure sensor 31.
  • the main body 10 includes an oscillation circuit 310 that converts the output from the pressure sensor 31 into a frequency, a pump drive circuit 320 that drives the pump 32, and a valve drive circuit 330 that drives the valve 33, which are mounted on the main body 10. .
  • the display device 50 includes a display, an indicator, and the like, and displays predetermined information such as a blood pressure measurement result in accordance with a control signal from the CPU 100.
  • the operation unit 52 includes a measurement start switch 52A for receiving an instruction to start blood pressure measurement, and a recording call switch 52B for calling a blood pressure measurement result stored in the memory. These switches 52 ⁇ / b> A and 52 ⁇ / b> B input an operation signal according to an instruction from the user to the CPU 100.
  • the memory 51 is data of a program for controlling the sphygmomanometer 1, data used for controlling the sphygmomanometer 1, setting data for setting various functions of the sphygmomanometer 1, and data of blood pressure value measurement results Memorize etc.
  • the memory 51 is used as a work memory when the program is executed.
  • the CPU 100 performs control to drive the pump 32 and the valve 33 in accordance with an operation signal from the operation unit 52 in accordance with a program for controlling the sphygmomanometer 1 stored in the memory 51. Further, the CPU 100 calculates a blood pressure value based on a signal from the pressure sensor 31 and controls the display device 50 and the memory 51.
  • the power supply unit 53 supplies power to each unit of the CPU 100, the pressure sensor 31, the pump 32, the valve 33, the display 50, the memory 51, the oscillation circuit 310, the pump drive circuit 320, and the valve drive circuit 330.
  • the pump 32, the valve 33, and the pressure sensor 31 are connected to an air bag 22 included in the cuff 20 through a common air pipe 10A.
  • the pump 32 supplies air to the air bag 22 through the air pipe 10 ⁇ / b> A in order to pressurize the pressure (cuff pressure) in the air bag 22 contained in the cuff 20.
  • the valve 33 is an electromagnetic valve whose opening and closing is controlled by energization, and is used to control the cuff pressure by discharging or sealing the air in the air bag 22 through the air pipe 10A.
  • the pump drive circuit 320 drives the pump 32 based on a control signal given from the CPU 100.
  • the valve drive circuit 330 opens and closes the valve 33 based on a control signal given from the CPU 100.
  • the pressure sensor 31 is a piezoresistive pressure sensor in this example, detects the pressure of the cuff 20 (air bag 22) through the air pipe 10A, and outputs it as a time-series cuff pressure signal (represented by the symbol Pc).
  • the oscillation circuit 310 oscillates based on an electric signal value based on a change in electric resistance due to the piezoresistance effect from the pressure sensor 31, and outputs a frequency signal having a frequency corresponding to the electric signal value of the pressure sensor 31 to the CPU 100.
  • the wrist 90 When the sphygmomanometer 1 (cuff 20) is attached to the wrist 90 as a part to be measured, the wrist 90 is passed through the cuff 20 as shown by an arrow A in FIG. 1 with the palm facing upward.
  • the Accordingly, the second portion 20 ⁇ / b> C of the cuff 20 is placed on the wrist 90 together with the main body 10.
  • the portion of the third portion 20F of the cuff 20 that is far from the main body 10 is pulled through the ring 80 obliquely to the lower right in FIG. 1 as indicated by the arrow B, and is folded back as indicated by the arrow C in FIG. It is.
  • the folded portion is pressed against the planar fastener 70 and fixed.
  • the blood pressure value of the subject is measured by the CPU 100 by the oscillometric method according to the flow of FIG.
  • the sphygmomanometer 1 starts blood pressure measurement as shown in FIG.
  • the CPU 100 initializes the processing memory area and outputs a control signal to the valve drive circuit 330.
  • the valve drive circuit 330 opens the valve 33 and exhausts the air in the air bag 22 of the cuff 20. Subsequently, control for adjusting 0 mmHg of the pressure sensor 31 is performed.
  • the CPU 100 When the blood pressure measurement is started, the CPU 100 first closes the valve 33 via the valve drive circuit 330, and then drives the pump 32 via the pump drive circuit 320 to perform control to send air to the air bag 22. . Thereby, the air bag 22 is inflated and the cuff pressure is gradually increased (step ST101).
  • step ST102 When the cuff pressure is increased and reaches a predetermined pressure (YES in step ST102), the CPU 100 stops the pump 32 via the pump drive circuit 320, and then gradually turns the valve 33 via the valve drive circuit 330. Control to release. Thereby, the air bag 22 is contracted and the cuff pressure is gradually reduced (step ST103).
  • the predetermined pressure is a pressure sufficiently higher than the systolic blood pressure of the subject (for example, the systolic blood pressure + 30 mmHg), and is stored in the memory 51 in advance or the CPU 100 performs the systole during the pressurization of cuff pressure.
  • the blood pressure is estimated and determined by a predetermined calculation formula (see, for example, JP-A-2001-70263).
  • a target target pressure reduction speed is set during the pressurization of the cuff, and the CPU 100 controls the opening degree of the valve 33 so as to reach the target pressure reduction speed (see the same publication).
  • the pressure sensor 31 detects the pressure of the cuff 20 and outputs a cuff pressure signal Pc. Based on the cuff pressure signal Pc, the CPU 100 applies blood pressure values (systolic blood pressure and diastolic blood pressure) by applying an algorithm described later by the oscillometric method (step ST104).
  • the calculation of the blood pressure value is not limited to the decompression process, and may be performed in the pressurization process.
  • the CPU 100 displays the calculated blood pressure value on the display device 50 (step ST106), and performs control to store the blood pressure value in the memory 51 (step ST107).
  • the CPU 100 opens the valve 33 via the valve drive circuit 330 and performs control to exhaust the air in the air bag 22 of the cuff 20 (step ST108).
  • FIG. 10A shows the appearance of an air bag 22B of a modified example obtained by modifying the air bag 22 of FIG.
  • FIGS. 10B and 10C show cross sections when the air bag 22B is cut along the longitudinal direction (Y direction) and the width direction (X direction), respectively.
  • 10 (A) to 10 (C) the same components as those in FIGS. 7 (A) to 7 (C) are denoted by the same reference numerals, and an overlapping description will be omitted as appropriate.
  • the air bag 22B is opposed to the first sheet portion 41 disposed on the side close to the wrist 90 (corresponding to the inner peripheral side in FIG. 1) as the part to be measured, and to the first sheet portion 41.
  • the second sheet portion 42 disposed on the side far from 90 (corresponding to the outer peripheral side in FIG. 1), the first pair of side wall portions 43A, 43B on both sides with respect to the width direction X, and the second side portions on both sides with respect to the longitudinal direction Y.
  • a pair of side wall portions 44A and 44B ' are provided. The ends on both sides in the width direction X of the air bag 22B are closed by the first pair of side wall portions 43A and 43B.
  • first and second sheet portions 41, 42, the first pair of side wall portions 43A, 43B, and the second pair of side wall portions 44A, 44B ′ is a polyurethane resin as in the previous example.
  • one of the second pair of side wall portions 44A and 44B ′ is formed by the first and second sheets. It consists of a film having a substantially semicircular cross section formed integrally with the corresponding edge portions 41f and 42f with respect to the longitudinal direction Y of the portions 41 and 42.
  • the end on the far side in the longitudinal direction Y of the air bag 22B is closed by the side wall 44B ′.
  • the thickness of the film forming the side wall portion 44B ′ is set to be the same as the thickness t3 of the film forming the first pair of side wall portions 43A and 43B.
  • the portion of the air bag 22B other than the side wall portion 44B ′ is configured in the same manner as the air bag 22 in FIG. Thereby, this air bag 22B has the following effects, like the air bag 22 of FIG. 7 (A).
  • a cylindrical nipple 45 for introducing air into the air bag 22B or discharging air from the air bag 22B is integrally formed in the second sheet portion 42 in a manner protruding outward. ing.
  • the nipple 45 is not displaced with respect to the second sheet portion 42 (and hence the air bag 22B) in the manufacturing stage.
  • a welding allowance and an adhesion allowance for the nipple 45 are not required.
  • the degree of freedom for disposing the nipple 45 with respect to the width direction X and the longitudinal direction Y of the second sheet portion 42 (and hence the air bag 22B) is increased, and the cuff design is further facilitated.
  • the first pair of side wall portions 43A and 43B are respectively integrated with the corresponding edge portions 41c and 42c and edge portions 41d and 42d on both sides in the width direction X of the first and second sheet portions 41 and 42, respectively. It consists of a molded film. In this configuration, the first pair of side wall portions 43A and 43B are not misaligned with respect to the first and second sheet portions 41 and 42 in the manufacturing stage. As a result, the dimensional accuracy in the width direction X of the air bag 22B is increased. Therefore, the cuff design is further facilitated.
  • the thickness t3 of the film forming the first pair of side wall portions 43A and 43B is set to be thinner than the thickness t2 of the second sheet portion 42.
  • the thickness t1 of the first sheet portion 41 is set to be thinner than the thickness t2 of the second sheet portion 42. Therefore, when air is supplied to the air bag 22 through the nipple 45 and is pressurized, the first pair of side wall portions 43A and 43B and the first sheet portion 41 are easily expanded. The stroke in which the air bag 22 inflates in the thickness direction Z perpendicular to the second sheet portions 41 and 42 is increased. Therefore, the cuff that encloses the air bag 22 can easily press the wrist 90 as a part to be measured.
  • the air bag 22B is manufactured, for example, as follows. First, as shown in FIG. 11A, the first sheet portion 41, the second sheet portion 42 including the nipple 45, the first pair of side wall portions 43A and 43B, and the second pair of side wall portions 44A. , 44B ′, an intermediate body 22B ′ having one side wall portion 44B ′ is integrally formed. The end on the near side in the longitudinal direction Y of the intermediate body 22B ′ is still open.
  • an outer mold 60 ′ including an upper mold 61 ′ and a lower mold 62 ′ and an inner mold 63 are prepared for injection molding.
  • the lower mold 62 ′ has a cavity surface 62o ′ corresponding to the outer surface of the first sheet portion 41, the lower half of the outer surface of the first pair of side wall portions 43A and 43B, and the lower half of the outer surface of the side wall portion 44B ′.
  • the upper die 61 ' is a cavity corresponding to the outer surface of the second sheet portion 42 including the nipple 45, the upper half of the outer surface of the first pair of side wall portions 43A and 43B, and the upper half of the outer surface of the side wall portion 44B'. It has surface 61o '.
  • the upper mold 61 ′ and the lower mold 62 ′ are divided by the dividing surfaces 61s and 62s.
  • a gate 61g is provided that communicates from the outside of the upper mold 61 'to a portion corresponding to the nipple 45.
  • the inner mold 63 has an annular core surface 63a corresponding to the inner surface of the first sheet portion 41, the inner surface of the second sheet portion 42, and the inner surfaces of the first pair of side wall portions 43A and 43B.
  • a core surface 63c corresponding to the inner surface of the side wall portion 44B ' is continuously and integrally formed at the tip of the core surface 63a.
  • the inner mold 63 has a cavity as shown by an arrow E from one side (left side in FIG. 12) in the direction corresponding to the longitudinal direction Y of the intermediate body 22B ′ (shown virtually by a two-dot chain line in FIG. 12). Inserted inside. In this example, the inner mold 63 is inserted until the core surface 63c approaches the portions 61c 'and 62c' corresponding to the side wall portions 44B 'of the cavity surfaces 61o' and 62o '.
  • the upper mold 61 ′ and the lower mold 62 ′ are respectively formed with recesses 61q1 and 62q1 extending outward from one side (left side in FIG. 12) of the cavity surfaces 61o ′ and 62o ′. At the time of injection, the recesses 61q1 and 62q1 are fitted and pressed around the core surface 63a.
  • a closed cavity having a shape corresponding to the intermediate body 22B ′ is formed between the cavity surfaces 61o ′ and 62o ′ and the core surfaces 63a and 63c.
  • the temperatures of the upper mold 61 ′, the lower mold 62 ′, and the inner mold 63 are maintained at about 200 ° C. Then, for example, polyurethane resin is injected into the cavity through the gate 61g at a pressure of 80 kgf / cm 2 . As a result, an integrally formed intermediate body 22B ′ is obtained.
  • Intermediate body 22B ′ is removed from upper mold 61 ′, lower mold 62 ′, and inner mold 63. Thereafter, as shown in FIG. 11 (B), the open edge portions 41e, 42e of the first and second sheet portions 41, 42 are welded (or bonded) to each other to form a second pair of side wall portions 44A, The other side wall 44A of 44B 'is formed. Thereby, the air bag 22B is obtained.
  • the air bag 22B is enclosed in the cuff 20 in the same manner as the air bag 22 described above, and is used in the same manner.
  • FIG. 13A shows the appearance of an air bag 22C of still another modification as seen from an oblique direction.
  • FIGS. 13B and 13C show cross sections when the air bag 22C is cut along the longitudinal direction (Y direction) and the width direction (X direction), respectively.
  • the same components as those in FIGS. 7A to 7C are denoted by the same reference numerals, and repeated description thereof will be omitted as appropriate.
  • the air bag 22C is opposed to the first sheet portion 41 disposed on the side close to the wrist 90 (corresponding to the inner peripheral side in FIG. 1) as the part to be measured, and to the first sheet portion 41. 90, a second sheet portion 42 disposed on the side far from 90 (corresponding to the outer peripheral side in FIG. 1), a first pair of side wall portions 43A ′ and 43B ′ on both sides with respect to the width direction X, and both sides with respect to the longitudinal direction Y. A second pair of side wall portions 44A and 44B are provided. The ends on both sides of the air bag 22C in the width direction X are closed by the first pair of side wall portions 43A ′ and 43B ′.
  • first and second sheet portions 41, 42, the first pair of side wall portions 43A ', 43B', and the second pair of side wall portions 44A, 44B is polyurethane resin in this example.
  • the first pair of side wall portions 43A ′ and 43B ′ prepare a sheet 40 having a uniform thickness, and both side portions (with respect to the width direction X of the sheet 40) ( Edge portions 40c and 40d are included) and curved to the second sheet portion 42 side in a substantially semicircular cross section. A portion of the sheet 40 that remains without being bent upward corresponds to the first sheet portion 41.
  • the second sheet portion 42 has a substantially flat rectangular shape.
  • a cylindrical nipple 45 for introducing air into the air bag 22C or discharging air from the air bag 22 is provided on the outer surface (the upper surface in FIG. 14A) 42a of the second sheet portion 42. , Integrally molded in a manner protruding outward.
  • the first sheet portion 41 and the second sheet portion 42 substantially over the entire area in the width direction X and the longitudinal direction Y.
  • a plurality of short cylindrical protrusions 42p, 42p,... are also integrally formed with the second sheet portion 42.
  • FIG. 15 shows a mode when the inner surface of the second sheet portion 42 is viewed upside down.
  • the edges 42c and 42d on both sides in the width direction X of the second sheet portion 42 are overlapped with the edges 40c and 40d on both sides in the width direction X of the sheet 40, and the welding ( Or a welded portion extending in the longitudinal direction Y is indicated by reference numerals 43m and 43n).
  • an intermediate body 22C ′ having the first sheet portion 41, the second sheet portion 42 including the nipple 45, and the first pair of side wall portions 43A ′ and 43B ′ is formed.
  • the ends on both sides in the longitudinal direction Y of the intermediate 22C ′ are still open.
  • the portions other than the welding locations 43m and 43n in the air bag 22C are configured in the same manner as the air bag 22 in FIG. Thereby, this air bag 22C has the following effects.
  • a cylindrical nipple 45 for introducing air into the air bag 22C or discharging air from the air bag 22C is integrally formed in the second sheet portion 42 in a manner protruding outward. ing.
  • the nipple 45 is not displaced with respect to the second sheet portion 42 (and therefore the air bag 22C) in the manufacturing stage.
  • a welding allowance and an adhesion allowance for the nipple 45 are not required.
  • the degree of freedom for disposing the nipple 45 with respect to the width direction X and the longitudinal direction Y of the second sheet portion 42 (and hence the air bag 22C) is increased, and the cuff design is further facilitated.
  • the thickness t3 of the film forming the first pair of side wall portions 43A 'and 43B' is the same as the thickness t1 of the first sheet portion 41, and the thickness t2 of the second sheet portion 42. It is set thinner. Therefore, when air is supplied to the air bag 22C through the nipple 45 and is pressurized, the first pair of side wall portions 43A ′, 43B ′ and the first sheet portion 41 are easily expanded, and as a result, the first The stroke in which the air bag 22C expands in the thickness direction Z perpendicular to the second sheet portions 41 and 42 is increased. Therefore, the cuff that encloses the air bag 22C can easily press the wrist 90 as the part to be measured.
  • the first sheet portion 41 and the second sheet portion 42 are in close contact with the inner surface 42b of the second sheet portion 42 over substantially the entire area in the width direction X and the longitudinal direction Y.
  • a plurality of protrusions 45p that prevent this are distributed. Therefore, when air is supplied to the air bag 22C through the nipple 45, it is possible to easily ensure air circulation over substantially the entire area of the air bag 22C. Therefore, the cuff that encloses the air bag 22C is more likely to press the wrist 90 as the measurement site.
  • the thickness t1 of the first sheet portion 41 is equal to the thickness t3 of the second sheet portion 42 together with the thickness t3 of the film forming the first pair of side wall portions 43A and 43B; 43A ′ and 43B ′.
  • the thickness is set to be thinner than t2.
  • the present invention is not limited to this.
  • the thickness of the first sheet portion 41 (in this modification, the thickness is t1 ′) is the thickness t2 of the second sheet portion 42.
  • t1 ′ 1.0 mm
  • t2 1.0 mm
  • the first pair of side wall portions 43A and 43B; 43A ′ and 43B ′ are substantially semicircular in cross section.
  • the present invention is not limited to this.
  • the membranes forming the first pair of side wall portions are accordion-like (longitudinal direction) in the natural state. (In cross-sectional view along Y).
  • the injection molding is performed for the integral molding of the air bag.
  • the present invention is not limited to this, and other molding techniques may be used.
  • the measurement site is the wrist 90, but is not limited thereto.
  • the part to be measured may be another part such as the upper arm.
  • the fluid is air, it is not limited to this.
  • the fluid may be any fluid that can pressurize or depressurize the fluid bag, such as nitrogen.
  • the sphygmomanometer 1 is a type in which the cuff 20 and the main body 10 are integrally attached, but is not limited thereto.
  • the cuff 20 and the main body 10 may be separate and connected to each other via a flexible elongated air pipe.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

La présente invention concerne une poche de fluide qui comprend : une première partie de feuille (41) qui est placée sur le côté proche d'une partie à mesurer ; une seconde partie de feuille (42) qui est placée à l'opposé de la première partie de feuille ; des premières sections de paroi latérale appariées (43A, 43B) qui relient et scellent les sections de bord correspondant, respectivement, qui sont sur des côtés opposés l'une de l'autre dans le sens de la largeur X ; des secondes sections de paroi latérale appariées (44A, 44B) qui relient et scellent les sections de bord correspondant, respectivement, qui sont sur des côtés opposés l'une de l'autre dans le sens longitudinal Y. Une tétine (45) pour introduire un fluide dans la poche de fluide et pour évacuer le fluide hors de la poche de fluide est intégrée de manière uniforme et continue dans la seconde partie de feuille (42) en utilisant un matériau courant, dans un état dans lequel la tétine (45) dépasse vers l'extérieur.
PCT/JP2016/058825 2015-07-24 2016-03-18 Poche de fluide, procédé de fabrication de poche de fluide et brassard pour mesurer la pression sanguine WO2017017991A1 (fr)

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JP2015146946A JP2017023546A (ja) 2015-07-24 2015-07-24 流体袋、流体袋製造方法、および血圧測定用カフ
JP2015-146946 2015-07-24

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WO2018146966A1 (fr) * 2017-02-07 2018-08-16 オムロン株式会社 Structure en forme de poche, brassard et dispositif de mesure de la tension artérielle
WO2018146967A1 (fr) * 2017-02-07 2018-08-16 オムロン株式会社 Structure en forme de sac, brassard de mesure de pression artérielle et dispositif de mesure de pression artérielle
WO2018179645A1 (fr) * 2017-03-27 2018-10-04 オムロン株式会社 Tensiomètre, et dispositif et procédé de mesure de la tension artérielle
CN113143236A (zh) * 2021-04-29 2021-07-23 上海交通大学 一种基于镓基液态合金的血压计及血压标定方法
CN113261927A (zh) * 2021-04-29 2021-08-17 上海交通大学 一种基于镓基液态合金的血压计及血压标定方法
US11272853B2 (en) 2017-02-13 2022-03-15 Omron Corporation Bag-shaped structure used in a cuff for blood pressure measurement

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JP6309682B1 (ja) 2017-10-26 2018-04-11 オムロンヘルスケア株式会社 データ処理装置、データ処理方法及びデータ処理プログラム
JP6925944B2 (ja) 2017-11-27 2021-08-25 オムロンヘルスケア株式会社 情報処理装置、情報処理方法、及び情報処理プログラム
JP6977553B2 (ja) 2017-12-27 2021-12-08 オムロンヘルスケア株式会社 情報処理装置、情報処理方法、及び情報処理プログラム

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WO2018146966A1 (fr) * 2017-02-07 2018-08-16 オムロン株式会社 Structure en forme de poche, brassard et dispositif de mesure de la tension artérielle
WO2018146967A1 (fr) * 2017-02-07 2018-08-16 オムロン株式会社 Structure en forme de sac, brassard de mesure de pression artérielle et dispositif de mesure de pression artérielle
US11389073B2 (en) 2017-02-07 2022-07-19 Omron Corporation Bag-shaped structure, cuff for blood pressure monitor, and blood pressure monitor
US11272853B2 (en) 2017-02-13 2022-03-15 Omron Corporation Bag-shaped structure used in a cuff for blood pressure measurement
WO2018179645A1 (fr) * 2017-03-27 2018-10-04 オムロン株式会社 Tensiomètre, et dispositif et procédé de mesure de la tension artérielle
JP2018161382A (ja) * 2017-03-27 2018-10-18 オムロン株式会社 血圧計、血圧測定装置及び血圧測定方法
CN110267588A (zh) * 2017-03-27 2019-09-20 欧姆龙株式会社 血压计、血压测定装置以及血压测定方法
CN110267588B (zh) * 2017-03-27 2022-03-11 欧姆龙株式会社 血压计、血压测定装置以及血压测定方法
US11925443B2 (en) 2017-03-27 2024-03-12 Omron Corporation Blood pressure monitor, blood pressure measurement apparatus and blood pressure measurement method
CN113143236A (zh) * 2021-04-29 2021-07-23 上海交通大学 一种基于镓基液态合金的血压计及血压标定方法
CN113261927A (zh) * 2021-04-29 2021-08-17 上海交通大学 一种基于镓基液态合金的血压计及血压标定方法
CN113143236B (zh) * 2021-04-29 2022-03-29 上海交通大学 一种基于镓基液态合金的血压计及血压标定方法

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